DK1203509T3 - Tilbagekoblingsannullering med anvendelse af båndbreddedetektering - Google Patents

Tilbagekoblingsannullering med anvendelse af båndbreddedetektering

Info

Publication number
DK1203509T3
DK1203509T3 DK00943694T DK00943694T DK1203509T3 DK 1203509 T3 DK1203509 T3 DK 1203509T3 DK 00943694 T DK00943694 T DK 00943694T DK 00943694 T DK00943694 T DK 00943694T DK 1203509 T3 DK1203509 T3 DK 1203509T3
Authority
DK
Denmark
Prior art keywords
feedback
lms algorithm
adaptation speed
bandwidth detection
relates
Prior art date
Application number
DK00943694T
Other languages
English (en)
Inventor
Jakob Nielsen
Michael Ekelid
Original Assignee
Oticon As
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oticon As filed Critical Oticon As
Application granted granted Critical
Publication of DK1203509T3 publication Critical patent/DK1203509T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Amplifiers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DK00943694T 1999-07-19 2000-07-07 Tilbagekoblingsannullering med anvendelse af båndbreddedetektering DK1203509T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA199901043 1999-07-19
PCT/DK2000/000379 WO2001006746A2 (en) 1999-07-19 2000-07-07 Feedback cancellation using bandwidth detection

Publications (1)

Publication Number Publication Date
DK1203509T3 true DK1203509T3 (da) 2007-01-02

Family

ID=8100351

Family Applications (2)

Application Number Title Priority Date Filing Date
DK00943694T DK1203509T3 (da) 1999-07-19 2000-07-07 Tilbagekoblingsannullering med anvendelse af båndbreddedetektering
DK00943695T DK1203510T3 (da) 1999-07-19 2000-07-07 Tilbagekoblingsannullering med lavfrekvensindgang

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK00943695T DK1203510T3 (da) 1999-07-19 2000-07-07 Tilbagekoblingsannullering med lavfrekvensindgang

Country Status (7)

Country Link
US (2) US7106871B1 (da)
EP (2) EP1203509B1 (da)
AT (2) ATE339865T1 (da)
AU (2) AU5806300A (da)
DE (2) DE60030736T2 (da)
DK (2) DK1203509T3 (da)
WO (2) WO2001006812A1 (da)

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DE10140523B4 (de) * 2001-08-17 2005-08-18 Dietmar Dr. Ruwisch Vorrichtung zum Feedback Cancelling bei der Ausgabe von Mikrofonsignalen durch Lautsprecher
WO2003034784A1 (en) * 2001-10-17 2003-04-24 Oticon A/S Improved hearing aid
DE10392880T5 (de) 2002-06-28 2005-08-25 Phitek Systems Ltd. Rauschunterdrückungssystem und Kopfhörer hierfür
DE10244184B3 (de) * 2002-09-23 2004-04-15 Siemens Audiologische Technik Gmbh Feedbackkompensation für Hörgeräte mit Systemabstandsschätzung
JP4209247B2 (ja) * 2003-05-02 2009-01-14 アルパイン株式会社 音声認識装置および方法
US7809150B2 (en) 2003-05-27 2010-10-05 Starkey Laboratories, Inc. Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems
AU2003236382B2 (en) 2003-08-20 2011-02-24 Phonak Ag Feedback suppression in sound signal processing using frequency transposition
AU2004201374B2 (en) 2004-04-01 2010-12-23 Phonak Ag Audio amplification apparatus
US7756276B2 (en) 2003-08-20 2010-07-13 Phonak Ag Audio amplification apparatus
WO2005081584A2 (en) * 2004-02-20 2005-09-01 Gn Resound A/S Hearing aid with feedback cancellation
DK1730992T3 (da) 2004-03-23 2017-08-07 Oticon As Høreapparat med anti-tilbagekoblingssystem
DE102004050304B3 (de) * 2004-10-14 2006-06-14 Siemens Audiologische Technik Gmbh Verfahren zur Reduktion von Rückkopplungen bei einem Akustiksystem und Signalverarbeitungsvorrichtung
US20060285150A1 (en) * 2005-01-31 2006-12-21 Searete Llc, A Limited Liability Corporation Of The State Of Delaware Regional proximity for shared image device(s)
DK1708544T3 (da) 2005-03-29 2015-10-19 Oticon As System og fremgangsmåde til måling af udluftningseffekter i et høreapparat
US8553899B2 (en) 2006-03-13 2013-10-08 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US8116473B2 (en) 2006-03-13 2012-02-14 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
ATE534243T1 (de) 2006-04-01 2011-12-15 Widex As Hörgerät und verfahren zur signalverarbeitungssteuerung in einem hörgerät
CA2647462C (en) 2006-04-01 2014-05-20 Widex A/S Hearing aid, and a method for control of adaptation rate in anti-feedback systems for hearing aids
DE102006029194B4 (de) * 2006-06-26 2010-04-15 Siemens Audiologische Technik Gmbh Vorrichtung und Verfahren zur Schrittweitensteuerung eines adaptiven Filters
US8452034B2 (en) 2006-10-23 2013-05-28 Starkey Laboratories, Inc. Entrainment avoidance with a gradient adaptive lattice filter
EP2077061A2 (en) 2006-10-23 2009-07-08 Starkey Laboratories, Inc. Entrainment avoidance with pole stabilization
DK2080408T3 (da) 2006-10-23 2012-11-19 Starkey Lab Inc Undgåelse af medrivning med et auto-regressivt filter
EP2095681B1 (en) 2006-10-23 2016-03-23 Starkey Laboratories, Inc. Filter entrainment avoidance with a frequency domain transform algorithm
DK1981310T3 (da) 2007-04-11 2017-09-18 Oticon As Høreapparat med lineariseret udgangstrin
EP2015604A1 (en) 2007-07-10 2009-01-14 Oticon A/S Generation of probe noise in a feedback cancellation system
DK2086250T3 (da) 2008-02-01 2020-07-06 Oticon As Lyttesystem med et forbedret feedback-undertrykkelsessystem, en fremgangsmåde og anvendelse
EP2148525B1 (en) 2008-07-24 2013-06-05 Oticon A/S Codebook based feedback path estimation
DK200970303A (en) * 2009-12-29 2011-06-30 Gn Resound As A method for the detection of whistling in an audio system and a hearing aid executing the method
DK2360944T3 (da) 2010-02-01 2018-02-26 Oticon As Fremgangsmåde til undertrykkelse af akustisk tilbagekobling i en høreanordning og tilsvarende høreanordning
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8942398B2 (en) 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
DK2736271T3 (da) 2012-11-27 2019-09-16 Oticon As Fremgangsmåde til styring af en opdateringsalgoritme for et adaptivt feedbackestimeringssystem og en de-korrelationsenhed
US9590673B2 (en) * 2015-01-20 2017-03-07 Qualcomm Incorporated Switched, simultaneous and cascaded interference cancellation
DE102015204010B4 (de) * 2015-03-05 2016-12-15 Sivantos Pte. Ltd. Verfahren zur Unterdrückung eines Störgeräusches in einem akustischen System

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US5091952A (en) * 1988-11-10 1992-02-25 Wisconsin Alumni Research Foundation Feedback suppression in digital signal processing hearing aids
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
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DK170600B1 (da) * 1992-03-31 1995-11-06 Gn Danavox As Høreapparat med kompensation for akustisk tilbagekobling
JP3176474B2 (ja) * 1992-06-03 2001-06-18 沖電気工業株式会社 適応ノイズキャンセラ装置
US5402496A (en) * 1992-07-13 1995-03-28 Minnesota Mining And Manufacturing Company Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering
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US5444786A (en) * 1993-02-09 1995-08-22 Snap Laboratories L.L.C. Snoring suppression system
DE4330143A1 (de) * 1993-09-07 1995-03-16 Philips Patentverwaltung Anordnung zur Siganlverarbeitung akustischer Eingangssignale
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JP3447060B2 (ja) 1994-04-12 2003-09-16 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ エコー消去を改善した信号増幅システム
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Also Published As

Publication number Publication date
EP1203509B1 (en) 2006-09-13
DE60028779D1 (de) 2006-07-27
ATE339865T1 (de) 2006-10-15
EP1203509A2 (en) 2002-05-08
DE60030736T2 (de) 2007-09-06
AU5806400A (en) 2001-02-05
WO2001006746A2 (en) 2001-01-25
DE60028779T2 (de) 2007-05-24
AU5806300A (en) 2001-02-05
WO2001006746A3 (en) 2001-08-09
WO2001006812A8 (en) 2001-03-29
DE60030736D1 (de) 2006-10-26
DK1203510T3 (da) 2006-09-18
US7340063B1 (en) 2008-03-04
EP1203510A1 (en) 2002-05-08
WO2001006812A1 (en) 2001-01-25
US7106871B1 (en) 2006-09-12
ATE330444T1 (de) 2006-07-15
EP1203510B1 (en) 2006-06-14

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